uvm_fault(0xfffffd803f00c210, 0x100000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f00c210, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149e3fa0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009d3600,ffff8000149e4058,ffff8000149e3fb0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803f028900,fffffd80363ccd88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363ccd88,9,fffffd803f028900,0,0,ffff800015a144c8) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363ccd88,0,ffff8000149e4250,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800015a144c8,3,ffff8000149e4330,0,ffff8000149e4440) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800015a144c8,ffff8000149e43d8,ffff8000149e4440) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149e44b0) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,4f9b623a010) at Xsyscall+0x128 end of kernel end trace frame: 0x4fcacc50de0, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x191 rbp 0xffff8000149e3f00 rbx 0xffff80000005b6d0 rdx 0x192 rcx 0xdeaf4152deaf4152 rax 0xffff80000005b6d8 r8 0x40 r9 0x5 r10 0xffff800000995940 r11 0x9e0724abec0a0486 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd80302a6628 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149e3e80 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=219392 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800015a14018,0xffff800015a14280 process=0xffff8000ffff6010 user=0xffff8000149df000, vmspace=0xfffffd803f00c210 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 48122 326339 2887 0 2 0 syz-executor.1 48122 57263 2887 0 3 0x4000080 fsleep syz-executor.1 53478 359617 59799 0 2 0 syz-executor.0 *53478 219392 59799 0 7 0x4000000 syz-executor.0 47406 146400 0 0 3 0x14200 bored sosplice 59799 90187 93244 0 3 0x82 nanosleep syz-executor.0 2887 400229 93244 0 2 0x482 syz-executor.1 93244 185690 70464 0 3 0x82 thrsleep syz-fuzzer 93244 408780 70464 0 3 0x4000082 thrsleep syz-fuzzer 93244 221489 70464 0 3 0x4000082 thrsleep syz-fuzzer 93244 423878 70464 0 3 0x4000082 thrsleep syz-fuzzer 93244 432413 70464 0 3 0x4000082 thrsleep syz-fuzzer 93244 379345 70464 0 3 0x4000082 kqread syz-fuzzer 93244 511329 70464 0 3 0x4000082 thrsleep syz-fuzzer 93244 364002 70464 0 3 0x4000082 thrsleep syz-fuzzer 70464 62414 82045 0 3 0x10008a pause ksh 82045 110909 84563 0 3 0x92 select sshd 97236 432141 1 0 3 0x100083 ttyin getty 84563 138228 1 0 3 0x80 select sshd 10630 122998 85272 73 2 0x100090 syslogd 85272 93687 1 0 3 0x100082 netio syslogd 19003 327274 1 77 3 0x100090 poll dhclient 95312 406735 1 0 3 0x80 poll dhclient 10108 61662 0 0 2 0x14200 zerothread 14071 419760 0 0 3 0x14200 aiodoned aiodoned 91860 486250 0 0 3 0x14200 syncer update 27878 224352 0 0 3 0x14200 cleaner cleaner 4012 123802 0 0 3 0x14200 reaper reaper 48265 235388 0 0 3 0x14200 pgdaemon pagedaemon 69714 170204 0 0 3 0x14200 bored crynlk 36331 227316 0 0 3 0x14200 bored crypto 73095 497289 0 0 3 0x40014200 acpi0 acpi0 22090 399481 0 0 3 0x14200 bored softnet 84156 291132 0 0 3 0x14200 bored systqmp 74378 114651 0 0 3 0x14200 bored systq 65045 219634 0 0 3 0x40014200 bored softclock 2283 407979 0 0 3 0x40014200 idle0 42612 7197 0 0 3 0x14200 bored smr 1 16626 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9479 6341K 6855K 78643K 11829 0 0 pcb 24 9K 10K 78643K 399 0 0 rtable 119 4K 4K 78643K 335 0 0 ifaddr 49 12K 12K 78643K 107 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 39 0 0 iov 0 0K 20K 78643K 113 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 76K 76K 78643K 1752 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 12 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 46 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 751 0 0 sigio 0 0K 0K 78643K 18 0 0 proc 42 30K 54K 78643K 368 0 0 subproc 32 2K 2K 78643K 34 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 46 0 0 in_multi 33 2K 2K 78643K 55 0 0 ether_multi 1 0K 0K 78643K 3 0 0 mrt 0 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 66 291K 291K 78643K 66 0 0 exec 0 0K 1K 78643K 219 0 0 pfkey data 0 0K 0K 78643K 2 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 85 20K 39K 78643K 2613 0 0 UVM aobj 46 2K 2K 78643K 51 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 36 0 0 NDP 9 0K 0K 78643K 28 0 0 temp 144 2713K 2777K 78643K 5151 0 0 kqueue 0 0K 0K 78643K 5 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 294 0 287 1 0 1 1 0 8 0 plimitpl 152 33 0 26 1 0 1 1 0 8 0 rtentry 112 49 0 2 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5 0 5 1 1 0 1 0 8 0 tcpcb 544 106 0 102 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 12 0 12 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 194 0 0 13 0 13 13 0 8 0 art_table 32 195 0 0 2 0 2 2 0 8 0 art_node 16 47 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 44 0 34 1 0 1 1 0 8 0 shmpl 112 49 0 5 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2661 0 1242 46 0 46 46 0 8 0 ffsino 240 2661 0 1242 84 0 84 84 0 8 0 nchpl 144 3901 0 2275 61 0 61 61 0 8 0 uvmvnodes 72 2991 0 0 55 0 55 55 0 8 0 vnodes 200 2991 0 0 158 0 158 158 0 8 0 namei 1024 11220 0 11220 2 1 1 1 0 8 1 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 12777 0 12777 9 8 1 6 0 8 1 sigapl 432 922 0 908 2 0 2 2 0 8 0 futexpl 56 11458 0 11457 1 0 1 1 0 8 0 knotepl 112 181 0 162 1 0 1 1 0 8 0 kqueuepl 104 176 0 174 1 0 1 1 0 8 0 pipepl 112 544 0 525 2 1 1 1 0 8 0 fdescpl 424 923 0 908 2 0 2 2 0 8 0 filepl 120 5313 0 5218 4 0 4 4 0 8 1 lockfpl 104 264 0 264 2 1 1 1 0 8 1 lockfspl 48 91 0 91 2 1 1 1 0 8 1 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 13 1 0 1 1 0 8 0 ucredpl 96 1180 0 1173 1 0 1 1 0 8 0 zombiepl 144 908 0 908 2 1 1 1 0 8 1 processpl 840 938 0 908 4 0 4 4 0 8 0 procpl 600 1914 0 1875 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 384 628 0 610 3 0 3 3 0 8 1 mcl64k 65536 553 0 553 65 50 15 65 0 8 15 mcl16k 16384 2 0 2 2 1 1 1 0 8 1 mcl12k 12288 6 0 6 2 2 0 1 0 8 0 mcl9k 9216 13 0 13 4 4 0 1 0 8 0 mcl8k 8192 10 0 10 3 2 1 1 0 8 1 mcl4k 4096 38 0 38 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 2 1 1 1 0 8 1 mcl2k 2048 53994 0 53952 13 7 6 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 92163 0 92087 41 32 9 37 0 8 0 bufpl 256 10184 0 3411 424 0 424 424 0 8 0 anonpl 16 102770 0 93244 80 24 56 56 0 62 16 amapchunkpl 152 4374 0 4277 29 15 14 14 0 158 10 amappl16 192 4366 0 3858 56 29 27 38 0 8 1 amappl15 184 357 0 355 1 0 1 1 0 8 0 amappl14 176 390 0 387 2 1 1 1 0 8 0 amappl13 168 3 0 3 3 3 0 1 0 8 0 amappl12 160 7 0 5 1 0 1 1 0 8 0 amappl11 152 411 0 395 1 0 1 1 0 8 0 amappl10 144 63 0 60 2 1 1 1 0 8 0 amappl9 136 552 0 549 1 0 1 1 0 8 0 amappl8 128 121 0 109 1 0 1 1 0 8 0 amappl7 120 30 0 26 1 0 1 1 0 8 0 amappl6 112 417 0 407 1 0 1 1 0 8 0 amappl5 104 128 0 118 1 0 1 1 0 8 0 amappl4 96 697 0 676 1 0 1 1 0 8 0 amappl3 88 910 0 896 1 0 1 1 0 8 0 amappl2 80 6608 0 6534 4 2 2 3 0 8 0 amappl1 72 25233 0 24811 26 17 9 19 0 8 0 amappl 80 2141 0 2104 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 50 0 5 1 0 1 1 0 8 0 uaddrrnd 24 923 0 908 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 923 0 908 1 0 1 1 0 8 0 vmmpekpl 168 9867 0 9844 2 0 2 2 0 8 0 vmmpepl 168 101508 0 99948 107 37 70 79 0 357 2 vmsppl 264 922 0 908 2 1 1 2 0 8 0 pdppl 4096 1853 0 1816 6 1 5 6 0 8 0 pvpl 32 370668 0 357992 259 47 212 219 0 265 108 pmappl 200 922 0 908 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 662 0 97 18 1 17 17 0 8 0